明朝成化年间，朝纲腐败，奸邪当道。西厂东厂(chǎng )为宦(huàn )官把持，混淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流(liú )亡剑客挺身而(ér )出(chū )，接连(lián )铲除(chú )东(dōng )厂数(shù )名奸佞(nìng )，致令阉贼胆战心惊。适值此时，风头正劲的西厂